* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: #333;
  background: #fff;
  font-family: Arial, "Microsoft YaHei", sans-serif;
  line-height: 1.7;
}

a { color: inherit; text-decoration: none; }

.navbar {
  position: sticky;
  top: 0;
  z-index: 10;
  min-height: 62px;
  background: #fff;
  border-bottom: 1px solid #eee;
}

.nav-inner,
.container {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
}

.nav-inner {
  min-height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  color: #222;
  font-size: 18px;
  font-weight: 700;
}

.nav-brand span {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #ff6542;
  color: #fff;
  font-size: 14px;
}

.nav-links {
  display: flex;
  gap: 27px;
  color: #666;
  font-size: 14px;
}

.nav-links a:hover,
.hero-links a:hover { color: #ff6542; }

.section {
  padding: 88px 0;
}

.section.light {
  background: #fafafa;
}

.two-column {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 70px;
  align-items: center;
}

.hero {
  min-height: 600px;
  padding-top: 105px;
}

.hero-image {
  min-height: 345px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image img {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: 520px;
  margin: 0 auto;
}

.hero-logo {
  width: min(300px, 80%);
  aspect-ratio: 1 / 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: #ff6542;
  color: #fff;
  box-shadow: 12px 12px 0 #ffe0d5;
  transform: rotate(-2deg);
}

.hero-logo span {
  font-size: 48px;
  font-weight: 700;
}

.hero-logo b {
  margin-top: 8px;
  font-size: 17px;
  font-weight: normal;
}

.content-box h1,
.content-box h2 {
  margin: 0 0 22px;
  color: #222;
  line-height: 1.25;
}

.content-box h1 { font-size: 42px; }
.content-box h2 { font-size: 30px; }

.content-box p {
  margin: 9px 0;
  color: #666;
  font-size: 15px;
}

.content-box .intro {
  max-width: 500px;
  margin-bottom: 28px;
  font-size: 17px;
}

.hero-links p {
  margin: 13px 0;
  color: #444;
  font-size: 18px;
}

.hero-links a {
  margin-left: 8px;
  color: #ff6542;
  font-weight: 700;
}

.image-box {
  padding: 14px;
  background: #fff;
  border: 1px solid #eee;
  text-align: center;
}

.image-box img {
  max-width: 100%;
  display: block;
  margin: 0 auto;
}

.phone-box img {
  width: auto;
  max-height: 650px;
}

.admin-box img { width: 100%; }
.second-phone img { max-height: 650px; }

.bottom-cta {
  padding: 88px 0;
  background: #fff4ef;
  text-align: center;
}

.bottom-cta h2 {
  margin: 0;
  font-size: 30px;
}

.bottom-cta p {
  margin: 12px 0 24px;
  color: #777;
}

.button {
  display: inline-block;
  padding: 11px 27px;
  background: #ff6542;
  border-radius: 4px;
  color: #fff;
  font-size: 15px;
}

.button:hover { background: #e95331; }

.text-center { text-align: center; }

.article-header {
  padding: 72px 0 58px;
  background: #fafafa;
  border-bottom: 1px solid #eee;
}

.article-label {
  margin: 0 0 10px;
  color: #ff6542;
  font-size: 12px;
  letter-spacing: .12em;
}

.article-header h1 {
  margin: 0;
  color: #222;
  font-size: 40px;
  line-height: 1.25;
}

.article-header p:last-child {
  max-width: 650px;
  margin: 15px 0 0;
  color: #666;
}

.article-content {
  max-width: 820px;
  padding-top: 54px;
  padding-bottom: 70px;
}

.article-section,
.article-image-section {
  margin-bottom: 42px;
}

.article-section h2,
.article-image-section h2 {
  margin: 0 0 14px;
  color: #222;
  font-size: 25px;
  line-height: 1.3;
}

.article-section h3 {
  margin: 20px 0 5px;
  font-size: 17px;
}

.article-section p,
.article-image-section p {
  margin: 9px 0;
  color: #666;
}

.article-list {
  padding-left: 23px;
  margin: 10px 0;
  color: #555;
}

.article-list li { padding: 4px 0; }

.article-image-section img {
  width: 100%;
  max-height: 680px;
  display: block;
  object-fit: contain;
  object-position: top;
  background: #f7f7f7;
  border: 1px solid #eee;
}

.article-image-section .image-note {
  margin-top: 8px;
  color: #999;
  font-size: 13px;
}

.article-qa {
  padding-top: 8px;
  border-top: 1px solid #eee;
}

.article-cta { margin-top: 50px; text-align: center; }

@media (max-width: 760px) {
  .nav-links { gap: 12px; font-size: 12px; }
  .section { padding: 60px 0; }
  .hero { padding-top: 70px; }
  .two-column { grid-template-columns: 1fr; gap: 34px; }
  .hero-image { min-height: 250px; order: 1; }
  .hero-content { order: 2; }
  .reverse-mobile .feature-copy { order: 2; }
  .reverse-mobile .admin-box { order: 1; }
  .content-box h1 { font-size: 34px; }
  .content-box h2 { font-size: 27px; }
  .hero-links p { font-size: 16px; }
  .article-header { padding: 55px 0 42px; }
  .article-header h1 { font-size: 32px; }
  .article-content { padding-top: 38px; }
}

@media (max-width: 460px) {
  .nav-inner, .container { width: calc(100% - 24px); }
  .nav-brand { font-size: 15px; }
  .nav-links { gap: 9px; }
  .nav-links a:last-child { display: none; }
  .hero-logo { width: 220px; }
  .hero-logo span { font-size: 38px; }
}